DE102011003760A1 - Electromagnetic actuator - Google Patents
Electromagnetic actuator Download PDFInfo
- Publication number
- DE102011003760A1 DE102011003760A1 DE102011003760A DE102011003760A DE102011003760A1 DE 102011003760 A1 DE102011003760 A1 DE 102011003760A1 DE 102011003760 A DE102011003760 A DE 102011003760A DE 102011003760 A DE102011003760 A DE 102011003760A DE 102011003760 A1 DE102011003760 A1 DE 102011003760A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- housing part
- upper housing
- adjusting device
- coil device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/08—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by electric or magnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
- F01L9/21—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Vorgeschlagen ist eine elektromagnetische Stellvorrichtung (110, 310, 410) für einen nockenseitig verstellbaren Ventiltrieb einer Brennkraftmaschine, mit einem ein Gehäuseoberteil (111, 311, 411) und ein Gehäuseunterteil (112, 312, 412) aufweisenden Gehäuse, in dessen Gehäuseoberteil eine elektrisch bestrombare Magnetspuleneinrichtung (113, 313, 413) eingebettet ist und in dessen Gehäuseunterteil ein von der Magnetspuleneinrichtung betätigter Stellstift (109, 309, 409) längsbeweglich gelagert ist, und mit einem am Gehäuseoberteil verlaufenden Steckverbinder (117, 317, 417) aus Kunststoff zur elektrischen Versorgung der Magnetspuleneinrichtung sowie mit einem am Gehäuse verlaufenden Anschlussflansch (19) zur Befestigung der Stellvorrichtung an der Brennkraftmaschine. Dabei sollen der Steckverbinder und der Anschlussflansch 19 integrale Bestandteile des durch Kunststoffumspritzung der Magnetspuleneinrichtung gebildeten Gehäuseoberteils sein.An electromagnetic adjusting device (110, 310, 410) is proposed for a valve drive of an internal combustion engine that can be adjusted on the cam side, with a housing which has an upper housing part (111, 311, 411) and a lower housing part (112, 312, 412) and an electrically energized housing in the upper housing part Magnetic coil device (113, 313, 413) is embedded and an actuating pin (109, 309, 409) actuated by the magnetic coil device is mounted in its lower housing part so as to be longitudinally movable, and with a plastic connector (117, 317, 417) running on the upper housing part for the electrical supply the solenoid device and with a connecting flange (19) running on the housing for fastening the actuating device to the internal combustion engine. The plug connector and the connection flange 19 are intended to be integral components of the upper part of the housing formed by plastic extrusion coating of the magnet coil device.
Description
Die Erfindung betrifft eine elektromagnetische Stellvorrichtung für einen nockenseitig verstellbaren Ventiltrieb einer Brennkraftmaschine, mit einem ein Gehäuseoberteil und ein Gehäuseunterteil aufweisenden Gehäuse, in dessen Gehäuseoberteil eine elektrisch bestrombare Magnetspuleneinrichtung eingebettet ist und in dessen Gehäuseunterteil ein von der Magnetspuleneinrichtung betätigter Stellstift längsbeweglich gelagert ist, und mit einem am Gehäuseoberteil verlaufenden Steckverbinder aus Kunststoff zur elektrischen Versorgung der Magnetspuleneinrichtung sowie mit einem am Gehäuse verlaufenden Anschlussflansch zur Befestigung der Stellvorrichtung an der Brennkraftmaschine.The invention relates to an electromagnetic actuator for a cam-side adjustable valve train of an internal combustion engine having a housing upper part and a housing lower part housing, in the upper housing part an electrically energized solenoid device is embedded and in the lower housing part of an actuated by the solenoid coil actuator pin is longitudinally movably mounted, and with a on the upper housing part extending connector made of plastic for the electrical supply of the solenoid device and with a housing extending on the connecting flange for fixing the adjusting device to the internal combustion engine.
Hintergrund der ErfindungBackground of the invention
Unter nockenseitig verstellbaren Ventiltrieben sind im Rahmen der vorliegenden Erfindung solche Ventiltriebe zu verstehen, welche die Hubvariabilität am Gaswechselventil mittels axial verlagerbarer Nockenstücke erzeugen. Diese sind mit Nockengruppen versehen, deren unterschiedliche Nockenerhebungen – je nach axialer Nockenstellung – selektiv mit einem starren Nockenfolger in Eingriff sind. Zur axialen Verstellung des Nockenstücks ist üblicherweise eine ortsfest in der Brennkraftmaschine abgestützte Stellvorrichtung mit einem Stellstift (oder mehreren) vorgesehen, der sich in eine spiralnutförmige Axialkulisse am rotierenden Nockenstück einkoppelt und eine Verschiebung des Nockenstücks um den Axialhub der Spiralnut erzwingt. Das diesbezügliche Funktionsprinzip geht detailliert aus der
Eine Stellvorrichtung der eingangs genannten Art geht aus der
Aufgabe der ErfindungObject of the invention
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Stellvorrichtung der eingangs genannten Art im Hinblick auf möglichst niedrige Herstellkosten konstruktiv zu verbessern.The present invention has for its object to constructively improve an adjusting device of the type mentioned in terms of lowest possible manufacturing costs.
Zusammenfassung der ErfindungSummary of the invention
Die Lösung dieser Aufgabe ergibt sich aus den kennzeichnenden Merkmalen des Anspruchs 1, während vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung den Unteransprüchen entnehmbar sind. Demnach sollen der Steckverbinder und der Anschlussflansch integrale Bestandteile des durch Kunststoffumspritzung der Magnetspuleneinrichtung gebildeten Gehäuseoberteils sein. Mit anderen Worten ist eine Funktionsintegration von Steckverbinder, Anschlussflansch und Gehäuseoberteil zu einem einzigen Kunststoffelement vorgesehen, wobei der angestrebte Kostenvorteil zusätzlich dadurch erzielt wird, dass die üblicherweise vorgesehene Einfassung des Gehäuseoberteils in einer Metallhülse entfällt.The solution of this problem arises from the characterizing features of
Ein dem Gehäuseunterteil zugewandter Endabschnitt des Gehäuseoberteils kann mit einem Ringkragen versehen sein, dessen Innenmantel durch eine mit dem Kunststoff umspritzte Metallhülse gebildet ist, die auf dem Außenmantel eines dem Gehäuseoberteil zugewandten Endabschnitts des Gehäuseunterteils befestigt ist. Die Befestigung kann kraftschlüssig sein, indem der Außenmantel des Gehäuseunterteils in die Metallhülse eingepresst wird, oder kann mittels Formschluss erfolgen, indem beispielsweise die Metallhülse radial umgebördelt wird und einen Absatz des Gehäuseunterteils hintergreift.An end portion of the upper housing part facing the lower housing part may be provided with an annular collar, the inner jacket of which is formed by a metal sleeve encased in the plastic, which is fastened to the outer jacket of an end portion of the housing lower part facing the upper housing part. The attachment can be non-positive by the outer shell of the housing base is pressed into the metal sleeve, or can be done by positive engagement, for example, the metal sleeve is radially flanged and engages behind a shoulder of the housing base.
Im Hinblick auf die erforderliche Abdichtung der an der Brennkraftmaschine montierten Stellvorrichtung ist es vorgesehen, dass der Ringkragen des Gehäuseoberteils stirnseitig mit einer radial außerhalb der Metallhülse verlaufenden Umlaufnut versehen ist, in der ein elastischer Axialdichtring eingesetzt ist.With regard to the required sealing of the adjusting device mounted on the internal combustion engine, it is provided that the annular collar of the housing upper part is provided at the end with a circumferential groove extending radially outside the metal sleeve, in which an elastic axial sealing ring is inserted.
Die erfindungsgemäße Funktionsintegration mit entsprechenden Kosten- und Bauraumvorteilen ist besonders in dem Fall zweckmäßig, wenn (wie prinzipiell aus der
Alternativ kann es vorgesehen sein, dass die Achsen der Magnetspuleneinrichtungen parallel beabstandet zueinander verlaufen, während die Achsen der Stellstifte zwar ebenfalls zueinander parallel beabstandet oder windschief, jedoch zu den Achsen der Magnetspuleneinrichtungen abgewinkelt verlaufen.Alternatively, it can be provided that the axes of the magnet coil devices are spaced parallel to each other, while the axes of the adjusting pins are also spaced apart parallel to each other or skewed, but angled to the axes of the magnetic coil means.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Weitere Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus den Zeichnungen, in denen Ausführungsbeispiele der Erfindung dargestellt sind. Sofern nicht anders erwähnt, sind dabei gleiche oder funktionsgleiche Merkmale oder Bauteile mit gleichen Bezugszahlen versehen. Es zeigen:Further features of the invention will become apparent from the following description and from the drawings, in which embodiments of the invention are shown. Unless otherwise stated, the same or functionally identical features or components are provided with the same reference numbers. Show it:
Ausführliche Beschreibung der ZeichnungenDetailed description of the drawings
Die Erfindung sei ausgehend von
Die Spiralnuten
Ein erstes Ausführungsbeispiel einer erfindungsgemäßen Stellvorrichtung
Das Gehäuseunterteil
Die gegenseitige Befestigung von Gehäuseoberteil
Grundsätzlich bekannt – siehe beispielsweise
Das in den
Das in den
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Nockenwellecamshaft
- 22
- Trägerwellecarrier wave
- 33
- Nockenstückcam piece
- 44
- NockenwellenlagerstelleCamshaft bearing
- 55
- Nockencam
- 66
- GaswechselventilGas exchange valve
- 77
- Schlepphebelcam follower
- 88th
- Spiralnutspiral
- 99
- Stellstiftsetting rod
- 1010
- Stellvorrichtunglocking device
- 1111
- GehäuseoberteilHousing top
- 1212
- GehäuseunterteilHousing bottom
- 1313
- MagnetspuleneinrichtungSolenoid means
- 1414
- Magnetspulesolenoid
- 1515
- Magnetkernmagnetic core
- 1616
- Metallbügelmetal bracket
- 1717
- SteckverbinderConnectors
- 1818
- Kontaktpincontact pin
- 1919
- Anschlussflanschflange
- 2020
- Befestigungsbohrungmounting hole
- 21 21
- Stahlbuchsesteel bushing
- 2222
- Metallhülsemetal sleeve
- 2323
- Ringkragengorget
- 2424
- Umlaufnutcircumferential groove
- 2525
- Axialdichtringaxial sealing ring
- 2626
- KugelBullet
- 2727
- Sperrstiftlocking pin
- 2828
- StellstiftachseAdjusting pin axis
- 2929
- Nockenwellenachsecamshaft axis
- 3030
- StellstiftachseAdjusting pin axis
- 3131
- Längsachse des GehäuseunterteilsLongitudinal axis of the housing lower part
- 3232
- Taschebag
- 3333
- Taschebag
- 3434
- StellstiftachseAdjusting pin axis
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 0798451 B1 [0002] EP 0798451 B1 [0002]
- DE 102006059188 A1 [0003] DE 102006059188 A1 [0003]
- DE 102007040677 A1 [0008] DE 102007040677 A1 [0008]
- DE 102008020892 A1 [0026] DE 102008020892 A1 [0026]
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010052841.2 | 2010-11-29 | ||
DE102010052841 | 2010-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102011003760A1 true DE102011003760A1 (en) | 2012-05-31 |
DE102011003760B4 DE102011003760B4 (en) | 2022-03-24 |
Family
ID=44651798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102011003760.8A Active DE102011003760B4 (en) | 2010-11-29 | 2011-02-08 | Electromagnetic actuator |
Country Status (4)
Country | Link |
---|---|
US (1) | US9074496B2 (en) |
CN (1) | CN103228879B (en) |
DE (1) | DE102011003760B4 (en) |
WO (1) | WO2012072291A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015010803A1 (en) * | 2013-07-26 | 2015-01-29 | Eto Magnetic Gmbh | Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly |
WO2015063197A3 (en) * | 2013-10-30 | 2015-06-25 | Avl List Gmbh | Method and assembly for monitoring an actuator device |
WO2017186600A1 (en) * | 2016-04-25 | 2017-11-02 | Kendrion (Villingen) Gmbh | Electromagnetic actuating apparatus with a d-shaped coil for a two-pin actuator |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2524276A (en) * | 2014-03-18 | 2015-09-23 | Eaton Srl | Valve train assembly |
US9583249B2 (en) * | 2014-10-31 | 2017-02-28 | Husco Automotive Holdings Llc | Methods and systems for push pin actuator |
JP6586918B2 (en) * | 2016-04-14 | 2019-10-09 | 株式会社デンソー | Electromagnetic actuator |
DE102016116776A1 (en) * | 2016-09-07 | 2018-03-08 | Kendrion (Villingen) Gmbh | Electromagnetic actuator, in particular for adjusting camshafts of an internal combustion engine |
WO2018075343A1 (en) * | 2016-10-17 | 2018-04-26 | Eaton Corporation | Control based on magnetic circuit feedback |
DE102016014872A1 (en) * | 2016-12-14 | 2018-06-14 | Daimler Ag | Valve drive device |
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EP0798451B1 (en) | 1996-03-25 | 1999-04-21 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Valve control of an internal combustion engine |
DE102006059188A1 (en) | 2006-12-15 | 2008-06-19 | Schaeffler Kg | Actuator for positioning an actuator of a variable valve train of an internal combustion engine |
DE102007040677A1 (en) | 2007-08-29 | 2009-03-05 | Schaeffler Kg | Internal combustion engine with variable gas exchange valve drive |
DE102008020892A1 (en) | 2008-04-25 | 2009-10-29 | Schaeffler Kg | Adjusting device for adjusting variable-lift valve drive of internal combustion engine, has controlling mechanism controllably transferring stop valve in retracting direction of actuating pin to release actuating pin from holding position |
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DE20114466U1 (en) * | 2001-09-01 | 2002-01-03 | Eto Magnetic Kg | Electromagnetic actuator |
JP2003269643A (en) * | 2002-03-19 | 2003-09-25 | Nok Corp | Solenoid valve |
DE10238840A1 (en) | 2002-08-23 | 2004-03-04 | Thomas Magnete Gmbh | Electromagnetic linear actuator has the coil and yoke within plastic body with an end cap enclosing the assembly and providing guidance for armature |
DE102005003079B4 (en) * | 2005-01-22 | 2014-12-31 | Audi Ag | Internal combustion engine with a valve train |
US7808134B2 (en) * | 2006-06-16 | 2010-10-05 | Continental Automotive Canada, Inc. | Active control mount magnetic optimization for an engine |
DE102006051809A1 (en) * | 2006-11-03 | 2008-05-08 | Schaeffler Kg | locking device |
KR100868210B1 (en) | 2006-12-07 | 2008-11-11 | 현대자동차주식회사 | Oil supply circuit for cylinder deactivation system |
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DE102008020893A1 (en) | 2008-04-25 | 2009-10-29 | Schaeffler Kg | Electromagnetic adjusting device for controlling stroke-variable valve impulse of internal-combustion engine of motor vehicle, has diagnostic current circuit closed in one of positions by contact of armature with contact element |
DE102008060170A1 (en) * | 2008-11-27 | 2010-06-02 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Valve gear of an internal combustion engine |
DE102008060166A1 (en) * | 2008-11-27 | 2010-06-02 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Valve train for gas shuttle valve of internal combustion engine, comprises cam shaft, which is swivelingly stored in housing of internal combustion engine |
DE202009015466U1 (en) * | 2009-02-27 | 2010-03-18 | Schaeffler Kg | Electromagnetic actuator |
DE102009015486A1 (en) * | 2009-03-28 | 2010-09-30 | Schaeffler Technologies Gmbh & Co. Kg | Electromagnetic actuator comprises housing with electrically energized magnetic coil device, and magnetic coil device generates magnetic field, where stationary core area is commonly assigned to permanent magnets |
DE102010013216B4 (en) * | 2009-04-04 | 2022-04-28 | Schaeffler Technologies AG & Co. KG | Valve train of an internal combustion engine |
DE202009015468U1 (en) | 2009-06-25 | 2010-02-25 | Schaeffler Kg | Electromagnetic actuator |
DE102009043320B4 (en) | 2009-09-28 | 2012-01-12 | Hydraulik-Ring Gmbh | Electrohydraulic valve |
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DE102011078154A1 (en) * | 2011-06-28 | 2013-01-03 | Schaeffler Technologies AG & Co. KG | Actuator unit with two actuator pins for sliding cam systems |
DE102011084039A1 (en) * | 2011-10-05 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Actuator unit for sliding cam systems with actuator pins controlled by control needles |
-
2011
- 2011-02-08 DE DE102011003760.8A patent/DE102011003760B4/en active Active
- 2011-09-15 US US13/989,716 patent/US9074496B2/en active Active
- 2011-09-15 WO PCT/EP2011/065983 patent/WO2012072291A1/en active Application Filing
- 2011-09-15 CN CN201180057431.6A patent/CN103228879B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0798451B1 (en) | 1996-03-25 | 1999-04-21 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Valve control of an internal combustion engine |
DE102006059188A1 (en) | 2006-12-15 | 2008-06-19 | Schaeffler Kg | Actuator for positioning an actuator of a variable valve train of an internal combustion engine |
DE102007040677A1 (en) | 2007-08-29 | 2009-03-05 | Schaeffler Kg | Internal combustion engine with variable gas exchange valve drive |
DE102008020892A1 (en) | 2008-04-25 | 2009-10-29 | Schaeffler Kg | Adjusting device for adjusting variable-lift valve drive of internal combustion engine, has controlling mechanism controllably transferring stop valve in retracting direction of actuating pin to release actuating pin from holding position |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015010803A1 (en) * | 2013-07-26 | 2015-01-29 | Eto Magnetic Gmbh | Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly |
CN105359232A (en) * | 2013-07-26 | 2016-02-24 | Eto电磁有限责任公司 | Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly |
US9702278B2 (en) | 2013-07-26 | 2017-07-11 | Eto Magnetic Gmbh | Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly |
WO2015063197A3 (en) * | 2013-10-30 | 2015-06-25 | Avl List Gmbh | Method and assembly for monitoring an actuator device |
US10012116B2 (en) | 2013-10-30 | 2018-07-03 | Avl List Gmbh | Method and assembly for monitoring an actuator device |
WO2017186600A1 (en) * | 2016-04-25 | 2017-11-02 | Kendrion (Villingen) Gmbh | Electromagnetic actuating apparatus with a d-shaped coil for a two-pin actuator |
CN109072728A (en) * | 2016-04-25 | 2018-12-21 | 肯德隆(菲林根)有限公司 | The electromagnetic control device with D-coil for two pin actuators |
US10763022B2 (en) | 2016-04-25 | 2020-09-01 | Kendrion (Villingen) Gmbh | Electromagnetic actuating apparatus with a D-shaped coil for a two-pin actuator |
CN109072728B (en) * | 2016-04-25 | 2020-12-01 | 肯德隆(菲林根)有限公司 | Electromagnetic actuator with D-coil for two-pin actuator |
Also Published As
Publication number | Publication date |
---|---|
DE102011003760B4 (en) | 2022-03-24 |
CN103228879A (en) | 2013-07-31 |
WO2012072291A1 (en) | 2012-06-07 |
CN103228879B (en) | 2015-07-15 |
US20130255607A1 (en) | 2013-10-03 |
US9074496B2 (en) | 2015-07-07 |
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